| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2004-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <nptl/pthreadP.h> |
| 19 | #include <sysdep.h> |
| 20 | |
| 21 | #define __SETXID_1(cmd, arg1) \ |
| 22 | cmd.id[0] = (long int) arg1 |
| 23 | #define __SETXID_2(cmd, arg1, arg2) \ |
| 24 | __SETXID_1 (cmd, arg1); cmd.id[1] = (long int) arg2 |
| 25 | #define __SETXID_3(cmd, arg1, arg2, arg3) \ |
| 26 | __SETXID_2 (cmd, arg1, arg2); cmd.id[2] = (long int) arg3 |
| 27 | |
| 28 | #ifdef SINGLE_THREAD |
| 29 | # define INLINE_SETXID_SYSCALL(name, nr, args...) \ |
| 30 | INLINE_SYSCALL (name, nr, args) |
| 31 | #elif defined SHARED |
| 32 | # define INLINE_SETXID_SYSCALL(name, nr, args...) \ |
| 33 | ({ \ |
| 34 | int __result; \ |
| 35 | if (__builtin_expect (__libc_pthread_functions_init, 0)) \ |
| 36 | { \ |
| 37 | struct xid_command __cmd; \ |
| 38 | __cmd.syscall_no = __NR_##name; \ |
| 39 | __SETXID_##nr (__cmd, args); \ |
| 40 | __result = PTHFCT_CALL (ptr__nptl_setxid, (&__cmd)); \ |
| 41 | } \ |
| 42 | else \ |
| 43 | __result = INLINE_SYSCALL (name, nr, args); \ |
| 44 | __result; \ |
| 45 | }) |
| 46 | #else |
| 47 | # define INLINE_SETXID_SYSCALL(name, nr, args...) \ |
| 48 | ({ \ |
| 49 | extern __typeof (__nptl_setxid) __nptl_setxid __attribute__((weak));\ |
| 50 | int __result; \ |
| 51 | if (__glibc_unlikely (__nptl_setxid != NULL)) \ |
| 52 | { \ |
| 53 | struct xid_command __cmd; \ |
| 54 | __cmd.syscall_no = __NR_##name; \ |
| 55 | __SETXID_##nr (__cmd, args); \ |
| 56 | __result =__nptl_setxid (&__cmd); \ |
| 57 | } \ |
| 58 | else \ |
| 59 | __result = INLINE_SYSCALL (name, nr, args); \ |
| 60 | __result; \ |
| 61 | }) |
| 62 | #endif |